guanine

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈɡwɑːniːn/, /ˈɡuːəˌniːn/US:USA pronunciation: respellingUSA pronunciation: respelling(gwä′nēn)


WordReference Random House Unabridged Dictionary of American English © 2025
gua•nine  (gwä′nēn),USA pronunciation n. [Biochem.]
  1. Biochemistrya purine base, C5H5N5O, that is a fundamental constituent of DNA and RNA, in which it forms base pairs with cytosine. Symbol: G  Cf. guanosine.
  • guan(o) + -ine2

Collins Concise English Dictionary © HarperCollins Publishers::
guanine / ˈɡwɑːniːn ˈɡuːəˌniːn/
  1. a white almost insoluble compound: one of the purine bases in nucleic acids. Formula: C5H5N5O
Etymology: 19th Century: from guano + -ine2
'guanine' also found in these entries (note: many are not synonyms or translations):
DNA - G - G, g - RNA - base - base pair - base-pairing rules - bromouracil - complementary base - cytosine - guanine deaminase - guanosine - nucleoside - nucleotide - purine

Forum discussions with the word(s) "guanine" in the title:


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